Home / 22,415.80-33,623.70-19,996.60

Finding the Fourth Proportional to 22,415.80, 33,623.70 and 19,996.60

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Solution

The fourth proportional to 22,415.80, 33,623.70 and 19,996.60 is: 29,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.80 : 33,623.70 = 19,996.60 : x
  2. Step 2: Convert to fraction form
    22,415.80/33,623.70 = 19,996.60/x
  3. Step 3: Cross multiply
    22,415.80x = 33,623.70 × 19,996.60
  4. Step 4: Simplify right side
    22,415.80x = 672,359,679.42
  5. Step 5: Solve for x
    x = 672,359,679.42/22,415.80
  6. Step 6: Final answer
    x = 29,994.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.